Vaillant VRT-PZA Mode D'emploi page 22

A Operating instructions
1 Operating mode switch
For control at
constantly night-time
constantly daytime temperature in position
entered heating programme
2 Temperature selector
For setting the required room temperature
3 Display
With reading of the day of the week (3a),
the operating mode (3b) the time (3c), the room
temperature (3d), the heating periods (3e)
4 Party key
For control at daytime temperature
5 Day key
For entering the day of the week
6 Time key
For entering the current time and the changeover times
22
(Fig. 1, p. 3)
in position
in position
7 Change-over key
For indicatlng and programming the heating periods
and the drop periods
8 Night-time temperature key
For indicating and programming the night-time
temperature
9 Block key
For simultaneously programming several days or for
copying a 24-h programme
10 Programming key
For programming the operations entered by the keys
5...9
1 1 Setting key –
For lowering the set value
12 Setting key +
For increasing the set value